math quadratics pt2

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6 Terms

1
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y values below the x axis

y is less than zero (<) | 1<x<3

2
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y values above the x axis

y is greater than zero | x<1 , x>3

3
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> 0

2 roots

4
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= 0

1 root

5
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< 0

0 roots

6
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number of real roots

b²-4ac